Workaround for dsa_switch_mdb_add adding CPU port to group,
but forgetting to remove it:
Remove port 0 if only port 0 is only port left.
Signed-off-by: Egil Hjelmeland <egil.hjelmeland@xxxxxxxxxxx>
---
drivers/net/dsa/lan9303-core.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index 54646eb38185..61c915eed649 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -1424,6 +1424,17 @@ static int lan9303_port_mdb_del(
if (mdb->vid)
return -EOPNOTSUPP;
lan9303_alr_del_port(chip, mdb->addr, port);
+
+ {
+ /* Workaround for dsa_switch_mdb_add adding CPU port to
+ * group, but forgetting to remove it. Remove port 0
+ * if only port left
+ **/
+ struct lan9303_alr_cache_entry *entr =
+ lan9303_alr_cache_find_mac(chip, mdb->addr);
+ if (entr && (entr->port_map == BIT(0)))
+ lan9303_alr_del_port(chip, mdb->addr, 0);
+ }
return 0;
}
--
2.11.0
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